﻿/*
 * Copyright (c) 2011 Shawn Rakowski
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to 
 * deal in the Software without restriction, including without limitation the 
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or 
 * sell copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE. 
 * 
 */

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using ROS.Application;
using ROS.Application.DTO;
using ROS.Presentation.Views;
using ROS.Presentation.Views.Data;

namespace ROS.Presentation.Presenters
{
    public class MenuItemListPresenter : Presenter<IMenuItemListView>
    {
        #region Fields
        #endregion

        #region Properties
        #endregion

        #region Constructor

        public MenuItemListPresenter(IMenuItemListView view)
            : base(view)
        {
        }

        #endregion

        #region Methods

        protected override void WireViewEvents()
        {
            view.LoadView += new EventHandler(view_LoadView);
            view.Done += new EventHandler(view_Done);
            view.RefreshView += new EventHandler(view_RefreshView);
            view.AddMenuItem += new EventHandler(view_AddMenuItem);
            view.EditMenuItem += new EventHandler(view_EditMenuItem);
            view.DeleteMenuItem += new EventHandler(view_DeleteMenuItem);
            view.EditMenuCategories += new EventHandler(view_EditMenuCategories);
        }

        void view_LoadView(object sender, EventArgs e)
        {
            view_RefreshView(sender, e);
        }

        void view_Done(object sender, EventArgs e)
        {
            ViewController.NavigateTo("ManagementDashboardView");
        }

        void view_EditMenuCategories(object sender, EventArgs e)
        {
            ViewController.NavigateTo("EditMenuCategoriesView");
        }

        void view_EditMenuItem(object sender, EventArgs e)
        {  
            MenuItemViewData menuItem = view.GetSelectedListViewItem();
            if (menuItem != null)
            {
                ViewController.NavigateTo("EditMenuItemView", menuItem);
            }
        }

        void view_DeleteMenuItem(object sender, EventArgs e)
        {
            MenuItemViewData menuItem = view.GetSelectedListViewItem();
            if (menuItem != null)
            {
                ROSApplication rosAppl = new ROSApplication();
                rosAppl.DeleteMenuItem(menuItem.ID);
                UpdateMenuItemList();
            }
        }

        void view_AddMenuItem(object sender, EventArgs e)
        {
            ViewController.NavigateTo("AddMenuItemView");
        }

        void view_RefreshView(object sender, EventArgs e)
        {
            UpdateMenuItemList();
        }

        protected override void UnwireViewEvents()
        {
            view.LoadView -= new EventHandler(view_LoadView);
            view.Done -= new EventHandler(view_Done);
            view.RefreshView -= new EventHandler(view_RefreshView);
            view.AddMenuItem -= new EventHandler(view_AddMenuItem);
            view.EditMenuItem -= new EventHandler(view_EditMenuItem);
            view.DeleteMenuItem -= new EventHandler(view_DeleteMenuItem);
            view.EditMenuCategories -= new EventHandler(view_EditMenuCategories);
        }

        private void UpdateMenuItemList()
        {
            ROSApplication rosAppl = new ROSApplication();
            IList<MenuItemDTO> menuItemDTOs = rosAppl.GetMenuItems();
            List<MenuItemViewData> menuItemViewDataList = new List<MenuItemViewData>();
            foreach (MenuItemDTO menuItemDTO in menuItemDTOs)
            {
                MenuItemViewData menuItemViewData = new MenuItemViewData();
                menuItemViewData.ID = menuItemDTO.ID;
                menuItemViewData.Name = menuItemDTO.Name;
                menuItemViewData.Price = menuItemDTO.Price;
                menuItemViewData.IsBackendFulfilled = menuItemDTO.IsBackendFulfilled;
                menuItemViewDataList.Add(menuItemViewData);
            }
            view.ListViewData = menuItemViewDataList;
        }

        #endregion
    }
}